KHAN, Sar B.; TRAUB , Ross E. Teachers’ Attitudes in Open and Traditional Schools. Canadian Journal of Education/Revue canadienne de l’éducation, [S. l.], v. 5, n. 3, p. 5–14, 1980. Disponível em: https://cje-rce.ca/cje/index.php/cje-rce/article/view/8074. Acesso em: 18 sep. 2026.